Some comments on unitary qubit lattice algorithms for classical problems
Journal Article
·
· Radiation Effects and Defects in Solids
- College of William and Mary, Williamsburg, VA (United States)
- Old Dominion Univ., Norfolk, VA (United States)
- Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
- Rogers State Univ., Claremore, OK (United States)
- National Technical University of Athens, Zographou (Greece)
- College of William and Mary, Williamsburg, VA (United States); National Technical University of Athens, Zographou (Greece)
A qubit lattice algorithm (QLA), which consists of a set of interleaved unitary collision-streaming operators, is developed for electromagnetic wave propagation in tensor dielectric media. External potential operators are required to handle gradients in the refractive indices, and these operators are typically non-unitary. A similar problem arises in the QLA for the Korteweg-de Vries equation, as the potential operator that models the KdV nonlinear term is also non-unitary. Further, several QLAs are presented here that avoid the need of this non-unitary potential operator by perturbing the collision operator. These QLAs are fully unitary.
- Research Organization:
- College of William and Mary, Williamsburg, VA (United States); Old Dominion Univ., Norfolk, VA (United States); Rogers State Univ., Claremore, OK (United States); Rogers State University, Claremore, OK (United States)
- Sponsoring Organization:
- Euratom Research and Training Program (WPEDU); USDO; USDOE
- Grant/Contract Number:
- FG02-91ER54109; SC0021647; SC0021651; SC0021653; SC0021857
- OSTI ID:
- 1992524
- Report Number(s):
- DOE-RSU-SC0021653-10
- Journal Information:
- Radiation Effects and Defects in Solids, Journal Name: Radiation Effects and Defects in Solids Journal Issue: 1-2 Vol. 178; ISSN 1042-0150
- Publisher:
- Taylor and FrancisCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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